The primary danger with antibiotics, especially the stronger varieties, is that they increase the load upon the liver. Mixing MDMA with such drugs places additional pressure upon the liver to metabolise the substances, and can inhibit such actions. If you are taking antibiotics due to a pre-existing infection, the chances are that your internal organs are already not in peak conditon, therefore loading more drugs on top does constitute a risk. I have not heard of any specific drug interactions, but all the same, mixing potent antibiotics with potent recreational drugs is probably asking for trouble. After all, who needs a dose of jaundice or liver failure? Perhaps recover first...
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The woods are dark and deep, and you have miles to go before you sleep...
[This message has been edited by -Thoth (edited 02 May 2001).]